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Recommended Posts

Hey guys,

I have been getting a CEL after i had my ecu flashed.

p2188

p2098

any ideas what these are? thanks

edit: nevermind i just figured out how to get the codes from this site, how do i delete this post though?

Edited by raffi
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P2188

Lambda control adaptation FRAU (lower load range) - below limit value

Lambda control adaptation FRAU (lower load range) - above limit value

Lambda control adaptation RKAT (range near idle speed) - above limit value

Lambda control adaptation RKAT (range near idle speed) - below limit value

They need to look at the FRAU and RCAT readings to see which issue it really is.

P2098 Lambda correction downstream, bank 1 – rich/lean control limit exceeded

Possible fault causes:

- Leakage in exhaust system between the two oxygen sensors

- Oxygen sensor upstream faulty (contaminated/aged)

This one is likely caused by the primary fault (P2188) - as I said they need to look at FRAU and RKAT.

LOL -- VAG codes are VW and Audi specific.

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P2188

Lambda control adaptation FRAU (lower load range) - below limit value

Lambda control adaptation FRAU (lower load range) - above limit value

Lambda control adaptation RKAT (range near idle speed) - above limit value

Lambda control adaptation RKAT (range near idle speed) - below limit value

They need to look at the FRAU and RCAT readings to see which issue it really is.

P2098 Lambda correction downstream, bank 1 – rich/lean control limit exceeded

Possible fault causes:

- Leakage in exhaust system between the two oxygen sensors

- Oxygen sensor upstream faulty (contaminated/aged)

This one is likely caused by the primary fault (P2188) - as I said they need to look at FRAU and RKAT.

LOL -- VAG codes are VW and Audi specific.

thanks loren,

you are the best.

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